Finding the Fourth Proportional to 215,736.14, 297,707.74 and 125,095.92
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Solution
The fourth proportional to 215,736.14, 297,707.74 and 125,095.92 is: 172,627.65
Step by Step Solution
- Step 1: Write the proportion equation
215,736.14 : 297,707.74 = 125,095.92 : x - Step 2: Convert to fraction form
215,736.14/297,707.74 = 125,095.92/x - Step 3: Cross multiply
215,736.14x = 297,707.74 × 125,095.92 - Step 4: Simplify right side
215,736.14x = 37,242,023,626.42 - Step 5: Solve for x
x = 37,242,023,626.42/215,736.14 - Step 6: Final answer
x = 172,627.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.